7Microwave bags on High about 10 seconds or until frosting is melted. Knead each bag to spread color throughout frosting. Cut off tiny bottom corner from each bag; drizzle frosting over warm hand tarts.

Expert Tips

Use frozen rhubarb instead of fresh to make this recipe when rhubarb is out of season.

Use coconut oil instead of butter to add a slightly different flavor to your final tarts.